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[clarification needed] The birth rate (along with mortality and migration rates) is used to calculate population growth. The estimated average population may be taken as the mid-year population. [2] [3] When the crude death rate is subtracted from the crude birth rate (CBR), the result is the rate of natural increase (RNI). [4]
Crude birth rate refers to the number of births over a given period divided by the person-years lived by the population over that period. It is expressed as number of births per 1,000 population. The article lists 233 countries and territories in crude birth rate. The first list is provided by Population Reference Bureau. [1]
Along with mortality rate, natality rate is used to calculate the dynamics of a population. They are the key factors in determining whether a population is increasing, decreasing or staying the same in size. Natality is the greatest influence on a population's increase. Natality is shown as a crude birth rate or specific birth rate.
In demography, demographic transition is a phenomenon and theory in the social sciences referring to the historical shift from high birth rates and high death rates to low birth rates and low death rates as societies attain more technology, education (especially of women), and economic development. [1]
Demography of the Philippines records the human population, including its population density, ethnicity, education level, health, economic status, religious affiliations, and other aspects. The Philippines annualized population growth rate between the years 2015–2020 was 1.53%. [ 6 ]
Simply put, researchers believe fewer people want to have kids since the birth rate is falling across all categories: age, race, education level, marital status and so on.
São Paulo's influence in most economic aspects can be noted in a national (and even international) scale; Rio de Janeiro – partially due to its former status as the national capital – still host various large corporations' headquarters, besides being Brazil's cultural center with respect to film production and other such televised media.
One long-term effect of a declining birth rate could be a slowing economy. As the population expands, the economy has a larger workforce, which produces more goods and services. The net result is ...